1306526522260 has 24 divisors (see below), whose sum is σ = 2749709448360. Its totient is φ = 521467037184.

The previous prime is 1306526522239. The next prime is 1306526522281. The reversal of 1306526522260 is 622256256031.

It is an interprime number because it is at equal distance from previous prime (1306526522239) and next prime (1306526522281).

It can be written as a sum of positive squares in 4 ways, for example, as 27700276356 + 1278826245904 = 166434^2 + 1130852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71463865 + ... + 71482144.

It is an arithmetic number, because the mean of its divisors is an integer number (114571227015).

Almost surely, 2^{1306526522260} is an apocalyptic number.

1306526522260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306526522260 is an abundant number, since it is smaller than the sum of its proper divisors (1443182926100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306526522260 is a wasteful number, since it uses less digits than its factorization.

1306526522260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142946475 (or 142946473 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 1306526522260 in words is "one trillion, three hundred six billion, five hundred twenty-six million, five hundred twenty-two thousand, two hundred sixty".